Restructuring Costs Related To Sale Of Commercial Product Portfolio	3 Months Ended
Mar. 31, 2019
Restructuring and Related Activities [Abstract]
Restructuring Costs Related To Sale Of Commercial Product Portfolio	RESTRUCTURING COSTS RELATED TO SALE OF COMMERCIAL PRODUCT PORTFOLIO Employee Severance On March 1, 2019, we completed the Commercial Product Portfolio Transaction (see Note 1(b)) and 88 of our employees were (1) terminated at closing or (2) given notice of their May 31, 2019 termination date and asked to provide transition services for the benefit of Acrotech (as provided by an agreement with Acrotech entered into contemporaneously with our sale). For the three months ended March 31, 2019, we recognized $0.2 million of income for services rendered to Acrotech for this transition services agreement. The employees in (1) above were entitled to cash severance payments and acceleration of their unvested restricted stock awards and stock options. For the three months ended March 31, 2019, we fully recognized the aggregate value of $8.3 million for this severance benefit, of which $6.3 million, $1.5 million, and $0.5 million is included on the accompanying Condensed Consolidated Statements of Operations within “income from discontinued operations, net of income taxes” (see Note 11), “selling, general, and administrative” expenses and “research and development” expenses, respectively. The employees in (2) above are also entitled to cash severance payments and acceleration of their unvested restricted stock awards and stock options, though on May 31, 2019. The aggregate value of these one-time cash payments and stock-based award accelerations is $0.6 million. Due to the ongoing service requirements of these employees, we are amortizing this value through expense on a ratable basis beginning March 1, 2019 through May 31, 2019. For the three months ended March 31, 2019, we recognized $0.2 million for this severance benefit and is included within “selling, general, and administrative” expenses on the accompanying Condensed Consolidated Statements of Operations, and within “accrued payroll and benefits” and “additional paid-in capital” (for stock-based awards) on the accompanying Condensed Consolidated Balance Sheets. We will recognize the remaining $0.4 million within “selling, general, and administrative” expense through May 31, 2019. The unpaid cash severance for our former employees was $1.1 million at March 31, 2019, of which $0.4 million is reported within “discontinued operations, current liabilities” and $0.7 million is recorded within “accrued payroll and benefits” on the accompanying Condensed Consolidated Balance Sheets.

RESTRUCTURING COSTS RELATED TO SALE OF COMMERCIAL PRODUCT PORTFOLIO

Employee Severance

On March 1, 2019, we completed the Commercial Product Portfolio Transaction (see Note 1(b)) and 88 of our employees were (1) terminated at closing or (2) given notice of their May 31, 2019 termination date and asked to provide transition services for the benefit of Acrotech (as provided by an agreement with Acrotech entered into contemporaneously with our sale). For the three months ended March 31, 2019, we recognized $0.2 million of income for services rendered to Acrotech for this transition services agreement.

The employees in (1) above were entitled to cash severance payments and acceleration of their unvested restricted stock awards and stock options. For the three months ended March 31, 2019, we fully recognized the aggregate value of $8.3 million for this severance benefit, of which $6.3 million, $1.5 million, and $0.5 million is included on the accompanying Condensed Consolidated Statements of Operations within “income from discontinued operations, net of income taxes” (see Note 11), “selling, general, and administrative” expenses and “research and development” expenses, respectively.

The employees in (2) above are also entitled to cash severance payments and acceleration of their unvested restricted stock awards and stock options, though on May 31, 2019. The aggregate value of these one-time cash payments and stock-based award accelerations is $0.6 million. Due to the ongoing service requirements of these employees, we are amortizing this value through expense on a ratable basis beginning March 1, 2019 through May 31, 2019. For the three months ended March 31, 2019, we recognized $0.2 million for this severance benefit and is included within “selling, general, and administrative” expenses on the accompanying Condensed Consolidated Statements of Operations, and within “accrued payroll and benefits” and “additional paid-in capital” (for stock-based awards) on the accompanying Condensed Consolidated Balance Sheets. We will recognize the remaining $0.4 million within “selling, general, and administrative” expense through May 31, 2019.

The unpaid cash severance for our former employees was $1.1 million at March 31, 2019, of which $0.4 million is reported within “discontinued operations, current liabilities” and $0.7 million is recorded within “accrued payroll and benefits” on the accompanying Condensed Consolidated Balance Sheets.